#!/usr/bin/env miaou-bash

# Constants
GIT_URL=https://git.artcode.re/miaou/miaou-bash

# Functions

function assert_normal_user {
  [[ "$UID" -eq 0 ]] && echo 'normal user expected' && return 1
  true
}

function assert_credentials {
  local base_url
  base_url=$(echo "$GIT_URL" | cut -d/ -f3)
  if ! ssh -T "git@${base_url}"; then
    echo "credentials missing: $base_url"
    return 2
  fi
}

function assert_system_mode {
  [[ -L "$MIAOU_BASH_DIR" ]] && echo "already in develoment mode: $(realpath $MIAOU_BASH_DIR)" && return 3
  true
}

function dev_mode {
  git clone "$GIT_URL"
  sudo rm "$MIAOU_BASH_DIR" -rf
  sudo ln -s "$target" "$MIAOU_BASH_DIR"
  sudo "$MIAOU_BASH_DIR"/lib/init.sh
}

function assert_reachable_target {
  sudo -u nobody test -x "$target"
}

# Main

assert_normal_user
assert_system_mode
assert_credentials
target="$PWD"/
target+=$(echo "$GIT_URL" | cut -d/ -f5)
source "$MIAOU_BASH_DIR"/lib/functions.bash
_confirm_destructive "target directory will be: ${target}"
assert_reachable_target
dev_mode